前科学概念,简称前概念,是学生在正式学习科学概念前由长期的日常经验形成的对事物、现象的看法和思维方式。学生的前概念,有时是与科学概念相悖,有时则似是而非,当然,有时也会与科学概念基本吻合甚至完全相同。教学中,如果学生具有的前概念是前两种情况的话,教师往往是将其视为教学的一项挑战,因为教师要去“破而后立”——先破除学生错误的前概念,再帮助学生树立正确的科学概念。有时,如果学生的前概念过于“顽固”的话,会给教学的顺利进行带来极大的困扰。但是,很少有教师会 The pre-scientific concept, or pre-concept for short, is the perception of things, phenomena, and ways of thinking that students develop from long-term daily experience prior to the formal study of scientific concepts. Students’ preconceptions are sometimes contrary to scientific concepts and sometimes specious ones. Of course, they sometimes coincide with or are exactly the same as scientific concepts. In teaching, teachers tend to regard it as a challenge in teaching if the former concept of students is the first two cases, because teachers should go to “break and stand behind” - first break the preconceived concept of student error, Help students to establish the correct scientific concept. Sometimes, if the student’s preconception is too “stubborn”, it will greatly disturb the teaching. However, few teachers will